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Watch what happens if a human was infected by an alien parasite

The scientific wonderers at What If detail the horrifying physical takeover and the biological drain of a host being reshaped ...

Parasite That Is a 'Direct and Imminent Threat' Now Within 100 Miles of U.S. Border

The New World screwworm, which threatens livestock and can infect humans, has been detected 90 miles from the Texas border ...